Paint spray gun



FIG. 1 is a first front perspective view of a paint spray gun of thesubject invention;

FIG. 2 is a second front perspective view of thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The ornamental design for a paint spray gun, as shown and described.